Prince Guillaume, Hereditary Grand Duke of Luxembourg (Guillaume Jean Joseph Marie; born 11 November 1981), is the heir apparent to the Luxembourg throne since October 2000 and regent of the country since October 2024, as the son of Grand Duke …

After his father's accession to the throne on 7 October 2000, Prince Guillaume was sworn in on 18 December 2000 and officially became Hereditary Grand Duke of Luxembourg. On 8 October 2024, the Prince became Lieutenant Representative of HRH the Grand Duke.

Mar 27, 2023 · Prince Guillaume and Princess Stéphanie welcomed their second child! François Henri Luis Marie Guillaume was born on March 27, 2023 at the Grand Duchess Charlotte Maternity Hospital in...

Dec 25, 2024 · Prince Guillaume is the next Grand Duke of Luxembourg. The royal will succeed his father on Oct. 3, 2025.

Prince Guillaume, Hereditary Grand Duke of Luxembourg (Guillaume Jean Joseph Marie; born 11 November 1981), is the heir apparent to the crown of Luxembourg since his father's became grand duke in 2000.

Dec 25, 2024 · On 3 October 2025, nearly a year after being sworn in as Grand Duke Henri's Lieutenant Representative, Hereditary Grand Duke Guillaume will officially become the new Grand Duke of...

On July 9, the Grand Ducal Court of Luxembourg announced that Grand Duke Henri will officially pass governing duties to his eldest son, Prince Guillaume, on Oct. 8, the day after the 24th...

Oct 8, 2024 · In Luxembourg today, Grand Duke Henri appointed his son, Prince Guillaume, as Lieutenant-Representative. This move paves the way for his abdication, following in tradition of other...

Nov 11, 2024 · Luxembourg’s Hereditary Grand Duke Guillaume celebrated his first birthday as lieutenant-representative on Monday, amidst preparation to take over the throne from Grand Duke Henri in the coming years. It will likely be one of the last birthdays that Guillaume celebrates at Fischbach Castle.

Jun 29, 2024 · Guillaume, 42, is the eldest son of Henri and Grand Duchess Maria Teresa of Luxembourg and has four siblings, Prince Félix, Prince Louis, Princess Alexandra and Prince Sébastien. He studied in Luxembourg and abroad in Switzerland, the UK and France.